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Slip or Threaded Valves?

Easy question. Do you prefer/which is more reliable? Slip on (glue) valves, or threaded?
I am looking at purchasing 1" Hunter PGV-100 valves to replace my Toro 3/4" ones. If the Hunter isn't any good, what do you suggest as a 1" valve? I will be getting at least 6, so I need it to be cost friendly.......
Hoping 1" valves will give me a little more GPM since the mainline is 1". I know valves and PVB's restrain the water flow alot.

I'm no expert..........YET! I just like to suggest things and learn... See what the pro's have to say first.

Go 1" poly all around for laterals. Burial depth is kinda shallow for my liking. I did mine at 12"+.

Laterals are already buried. I'm not redoing the whole system. 3/4" is fine for 3-4 sprinkler heads. 5"-8" is all I could do with a shovel, and then add 550' of digging in total. A ditch-witch or pipe puller is/was too big to go through our yard to get to where we need it.

I'm no expert..........YET! I just like to suggest things and learn... See what the pro's have to say first.